Back scratcher



FIG. 1 is a top left front perspective view of a back scratcher showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top left front perspective view of a back scratcher showing a modified form of my new design;

FIG. 8 is a right side elevational view thereof;

FIG. 9 is a rear elevational view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a front elevational view thereof; and

FIG. 12 is a left side elevational view thereof. 

The ornamental design for a back scratcher, as shown and described. 